Gun having a recoil-barrel and an adjustable brake.



PATENTBD JULY 31, 1906,

, i K. 'NOLLNNl N GUN HAVING A RBGOILBNRRBL AND AN ADJUSTABLE BRAKE.

APPLICATION FILED. JAN. 26, 1906.

:WENN-UR mqml] n vTT-RNEY THE "onlus rsrzns ca., wAsmNuoN. n4 cy f is a transverse section on line 2 2 of Fig. 1,

kin the cradle may be inspected, oiled, or re- Athe braking action would not properly corre- NITE) STATES PATENT OFFICE.

i l KARL VLLER, OF DUSSELDORF, GERMANY. GUN HAVING. A RECON-BARREL AND AN ADJUSTABLE BRAKE.

Specification of Letters Patent. Patented July 31 1906.

Application led January 26, 1906,. Serial No. 298,05 7.

To a/ZZ whmn t may concern:

Be it known that I, KARL VLLER, engineer, a subject of the German Emperor, residing at 47 Zlicherstrasse, Dusseldorf, Germany, have invented certain new and useful Improvements Relating to Guns Having a Recoiling Barrel and an Adjustable Brake; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable` others skilled in the art to which it appertains'to make and use the same. Y

In guns having a recoiling barrel of which the recoil is automatically effected by the movement for elevating the barrel in a certain sense, such as by being diminished as the elevation is increased, it is sometimes essen-` tial 'to remove or swing open the front plate of the cradle in which is arranged in part the mechanism for transmitting the movement for elevating to the device for regulating the braking action in lorder that the mechanism mits the rotary movement of the shaft to the toothed disk or wheel d. According to the present invention the aXle of the toothed sector c is journaled in the front plate e of the cradle, `which plate can swing open on a hinge or be completely removed. The engagement between the said axle and the tubular shaft is by means of the partly-squared end f of the former, which end ts easily the correspondingly-shaped end of the tube b, so A that the sector and tube, by reason of the unl symmetrical coupling, can only be engaged' with each other in one position. The toothed wheel d is fixed on a hood h, acting as a nave to the wheel and rotating in the as a bearing. The head of the piston-rod g enters the hood when the front plate is in place and is engaged with it by an unsymmetrical key t', which can be inserted only when the head of 0the piston-rod and the toothed wheel d are in correct relative posithe front plate e can be swung open on a' hinge, whereupon the end f of the aXle of the sector on account of the considerable radius between itself and the hinge can easily withdraw itself from the tube b. All the parts 1praired. It can easily happen that when the ont plate is replaced the transmission-gear is brought into incorrect relationship. For instance, should a toothed wheel carried by the front plate be accidentally rotated while the plate is removed it would engage falsely with the remaining gear within the cradle ble. When the end plate e is swung to again, when the plate was replaced. In such a case the end f can only engage in the shaft b when the two are in the same relative position that they were in before. Thus even should the toothed wheel d be turned while the end plate is open no accident can occur, because the plate cannot be closed again until the error has been rectified. So, also, the pistonrod g cannot be engaged with the toothed Wheel if this has been turned even through one hundred and eighty degrees, owing to the shape of the key i. 5 In the modiiication shown in Fig. 4 the movement of the shaft b is transmitted to the hood h through a ring le, fixed to the hood and having a lug to which is pvoted one end of a rod Z, carried in guides by the front plate. The other end of this rod has an unsymmetrical pin m eXtendin at right angles to it, which pin enters a similarly-shaped hole in the arm n, mounted on the shaft b.

In Fig. 5 the toothed wheel d of Fig. 1 is retained, and for the rod Z of Fi 4 is substituted the rack o. Otherwise t e construction is similar to that shown in Fig. 4. .Having now particularly. described and asspond with the elevation.

According to the present invention part of the transmitting mechanism vfor the aforesaid purpose is `so mounted on the front plate of the cradle that it can only engage with the part of the mechanism within the cradle when in proper relation thereto.

The accompanying drawings illustrate theinvent'ion in several modifications.

Figures 1 to 8 show an arrangement wherein the movement for elevating is transformed by toothed gear into a rotary movement of the piston-rod through which the braking action is regulated. Fig. 1 is a vertical section` through the front end of the cradle. Fig. 2

and Fig. 3 is a art horizontal section on line 3 3 of Fig. 1. igs'. 4 and 5 show two modiications.

Referring to Figs. j1 to 3, the elevating movement, produced in any known manner,y is transferred to the tubular shaft b, con-` tained in the cradle a. At the front end of this shaft is a toothed sector c, which trans.

front plate tion. When the key i has been withdrawn,

and the interior of the cradle are then accessi- IOO certained the nature of my said invention and in what manner the same is to be performed, I declare that what I claim is l. The combination, with a recoil-brake, and a control device regulated by the elevation of the gun, of an unsymmetrical coupling inserted between the control device and brake,

2. The combination, with a recoil-brake, IO and a control device regulated by the elevation ot the gun, of removable mechanism Jfor transmitting the movement of the control device to the brake, and an unsymmetrical coupling inserted in the transmitting mechanism.

3. The combination with a recoil-brake, and a control device regulated by the elevation of the gun, of mechanism carried by the removable plate of the cradle for transmit- 2O ting the movement of the control device to the brake, and an unsymmetrical coupling between the transmitting mechanism and the other parts.

4. The combination, with a recoil-brake,

and a control device regulated by the elevation of the gun, of mechanism carried by the removable plate of the cradle for transmitting the movement of the control device to 'the brake, and an unsymmetrical coupling interposed between the transmitting mechanism and the control device on the one hand and between said mechanism and the brake on the other. K 5. The combination, with a recoil-brake,

and a control device regulated by the elevation of the gun, of mechanism carried by the removable plate of the cradle for transmitting the movement of the control device to the brake, an angular coupling interposed 40 between the transmitting mechanism and the control device, and an unsymmetrical key connecting the said mechanism and the brake.

6. The combination, with a recoil-brake, and a control device regulated by 'the elevation of the gun, of a disk rotatably mounted on the removable plate of the cradle, and an unsymmetrical coupling interposed between the disk and control device on the one hand and between the disk and brake on the other.

7. The combination, with a recoil-brake,

and a control device regulated by the elevation of the gun, of a disk rotatably mounted on' the removable plate of the cradle. an angular coupling interposed between the disk and control device, and an unsymmetrical coupling between the axis of the disk and the brake.

8. The combination, with a recoil-brake, and a control device regulated by the elevation of the gun, of a toothed disk rotatably mounted on the removable plate of the cradle, a toothed member in engagement with the toothed disk, an unsymmetrical coupling between the toothed member and the control device, and an unsymmetrical coupling between the disk and the brake.

9. The combination, with a recoil-brake, and a control device regulated by the elevation of the gun, of a toothed disk rotatably mounted on the removable plate of the cradle, a toothed segment in engagement with the disk, an unsymmetrical coupling between the toothed member and the control device, and an unsymmetrical coupling between the disk and the brake.

10. The combination, with a recoil pistonbrake, and a control device comprising a shaft rotated by the elevation of the gun, of a toothed disk having its nave journaled in thel removable end plate of the cradle, a toothed segment in engagement with the toothed disk and provided with an unsymmetrical opening to receive the corresponding unsymmetrical end of the shaft, and an unsymmetrical coupling between the nave of the disk and the piston-rod of the brake.

11. The combination, with a recoil pistonbrake and a control device comprising a shaft rotated by the elevation of the gun, of a toothed disk having its nave journaled in the removable end plate of the cradle, a toothed segment in engagement with the toothed disk and provided with a s uared openinig to receive the squared end dll the shaft, an an unsymmetrical key coupling the piston-rod of the brake with the nave of the disk.

I In testimony whereof I have afHXed my l signature to this specification in the presence l of two witnesses.

KARL VLLER.

Witnesses PETER LIEBER, WILLIAM EssENwEIN 

